(* ---------------------------------------------------------------------- *)
(* tokens *)
-let myrule = [^'"''@''/''\n''\r''\011''\012']+
+let oct = ['0'-'7']
+let hex = ['0'-'9' 'a'-'f' 'A'-'F']
+
+let myrule = [^'\'''"''@''/''\n''\r''\011''\012']+
rule token = parse
| myrule { TScriptData (tok lexbuf) }
| "/" { TScriptData (tok lexbuf) }
| "//" [^ '\n']* { token lexbuf } (* skip SmPL comments *)
| '"' { TScriptData (Printf.sprintf "\"%s\"" (string lexbuf)) }
+ | "'" { TScriptData (Printf.sprintf "'%s'" (char lexbuf)) }
| eof { EOF }
| _ { raise (Lexical ("unrecognised symbol, in token rule:"^tok lexbuf)) }
| '"' { "" }
| (_ as x) { Common.string_of_char x ^ string lexbuf }
| ("\\" _) as x { x ^ string lexbuf }
+
+and char = parse
+ | (_ as x) "'" { String.make 1 x }
+ | (("\\" (oct | oct oct | oct oct oct)) as x "'") { x }
+ | (("\\x" (hex | hex hex)) as x "'") { x }
+ | (("\\" _ ) as x "'") { x }